Finding the Fourth Proportional to 53,134,912.42, 79,633,937.13 and 25,788,283.18
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Solution
The fourth proportional to 53,134,912.42, 79,633,937.13 and 25,788,283.18 is: 38,649,212.50
Step by Step Solution
- Step 1: Write the proportion equation
53,134,912.42 : 79,633,937.13 = 25,788,283.18 : x - Step 2: Convert to fraction form
53,134,912.42/79,633,937.13 = 25,788,283.18/x - Step 3: Cross multiply
53,134,912.42x = 79,633,937.13 × 25,788,283.18 - Step 4: Simplify right side
53,134,912.42x = 2,053,622,521,446,756.25 - Step 5: Solve for x
x = 2,053,622,521,446,756.25/53,134,912.42 - Step 6: Final answer
x = 38,649,212.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.